CVE-2024-20840 Auth bypass in Samsung Voice Recorder

Medium 5.7 Published 5 Mar 2024 Updated 1 Aug 2024

Physical attackers can bypass lock screen restrictions to use the Voice Recorder app via hardware keyboard on Samsung devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-20840?

CVE-2024-20840 is a medium-severity authentication bypass vulnerability in Samsung Voice Recorder, published on 5 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control in Samsung Voice Recorder prior to versions 21.5.16.01 in Android 12 and Android 13, 21.4.51.02 in Android 14 allows physical attackers using hardware keyboard to use VoiceRecorder on the lock screen.

Which versions are affected by CVE-2024-20840?

It affects 1 product.

Products include Samsung Voice Recorder.

How do I fix CVE-2024-20840?

No fix has been published for CVE-2024-20840 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-20840 being exploited?

There is no known exploitation of CVE-2024-20840 in the wild and no public exploit code.

Sources

Also known as GHSA-j54m-x6h4-2v8w.